阅读说明：本技术 离心式喷头、喷洒系统及可移动平台 (Centrifugal spray head, spraying system and movable platform ) 是由 舒展 周乐 周万仁 于 2019-08-30 设计创作，主要内容包括：一种离心式喷头、喷洒系统及可移动平台,离心式喷头包括喷液装置(10)、阀体装置(20)、控制装置(30)与驱动装置(40),喷液装置(10)包括进液口(11)、出液口(12)以及连通二者的腔体(13),腔体形成液流通道(131)；阀体装置连接于腔体(13)；包括阀座(21)以及阀芯(22),阀芯(22)可相对于阀座运动以调节液流通道(131)的液流量；控制装置(30)与阀体装置(20)电连接,用于控制阀芯(22)相对于阀座(21)运动；驱动装置(40)与喷液装置(10)相连接,驱动喷液装置(10)排出液体。(A centrifugal spray head, a spraying system and a movable platform are provided, the centrifugal spray head comprises a liquid spraying device (10), a valve body device (20), a control device (30) and a driving device (40), the liquid spraying device (10) comprises a liquid inlet (11), a liquid outlet (12) and a cavity (13) communicated with the liquid inlet and the liquid outlet, and the cavity forms a liquid flow channel (131); the valve body device is connected with the cavity (13); the valve comprises a valve seat (21) and a valve core (22), wherein the valve core (22) can move relative to the valve seat to adjust the liquid flow of the liquid flow channel (131); the control device (30) is electrically connected with the valve body device (20) and is used for controlling the valve core (22) to move relative to the valve seat (21); the drive device (40) is connected to the liquid ejecting device (10) and drives the liquid ejecting device (10) to eject the liquid.)

A centrifugal spray head, comprising:

the liquid spraying device comprises a liquid inlet, a liquid outlet and a cavity communicated between the liquid inlet and the liquid outlet, and the cavity forms a liquid flow channel;

the valve body device is connected to the cavity; the valve body device comprises a valve seat and a valve core, and the valve core is movably arranged on the valve seat and is used for moving relative to the valve seat to adjust the liquid flow of the liquid flow channel;

the control device is electrically connected with the valve body device and is used for controlling the valve core to move relative to the valve seat; and the number of the first and second groups,

the driving device is connected with the liquid spraying device and can drive the liquid spraying device to discharge the liquid;

when the driving device does not drive the liquid spraying device to discharge the liquid any more, the control device can control the valve core to block the liquid flow channel, so that the liquid outlet does not discharge the liquid any more.

The centrifugal spray head of claim 1,

when the driving device is powered on, the driving device can drive the liquid spraying device to discharge the liquid;

when the driving device is powered off, the driving device does not drive the liquid spraying device to discharge the liquid.

The centrifugal spray head of claim 1 wherein said liquid spray means comprises a spray head body, said valve body means and said liquid flow passages being provided in said spray head body.

The centrifugal spray head according to claim 3, wherein the liquid spraying device further comprises:

the spraying disc is internally provided with a spraying channel communicated with the liquid outlet;

the driving device is connected with the spray disk and used for driving the spray disk to rotate so as to discharge the liquid.

The centrifugal spray head of claim 1 wherein the valve seat has a valve seat passage therein, the valve seat passage being communicable with the fluid flow passage, the valve seat passage being configured to receive the valve element;

the control device is used for controlling the valve core to move relative to the valve seat so as to control the opening degree of the valve body device, thereby regulating the liquid flow rate from the liquid flow channel; wherein the movement direction of the valve core is crossed with the extension direction of the liquid flow channel.

The sprayhead of claim 5 wherein the spool moves in a direction substantially perpendicular to the direction of extension of the flow channel.

The centrifugal spray head of claim 1 wherein the flow passage is formed at least in part by a flexible tube, the valve seat being fixed relative to the flexible tube, the valve element being located outside the flexible tube and adapted to abut against the flexible tube;

the control device is used for controlling the valve core to move relative to the valve seat so as to press or loosen the flexible pipe, thereby regulating the liquid flow from the liquid flow channel; wherein the movement direction of the valve core is crossed with the axial direction of the hose.

The centrifugal spray head of claim 7, wherein the direction of movement of the valve core is substantially perpendicular to the axial direction of the hose.

The centrifugal spray head according to claim 1, wherein the valve core is made of a corrosion-resistant magnetic material; or the outer surface of the valve core is wrapped by the corrosion-resistant layer; and/or the presence of a catalyst in the reaction mixture,

the valve seat is made of a corrosion-resistant material; alternatively, the inner surface of the valve seat is coated with a corrosion resistant layer.

The showerhead of claim 1, wherein the valve body assembly is a solenoid valve including the valve seat, the valve core, and a resilient member and an electromagnet, the resilient member being connected between the valve core and the electromagnet, the electromagnet being electrically connected to the control device.

The showerhead of claim 10, wherein the resilient member is a corrosion resistant material; or the outer surface of the elastic piece is wrapped by the corrosion-resistant layer; and/or the control device regulates the liquid flow of the liquid flow channel by controlling the action frequency of the valve core.

The centrifugal spray head of claim 4 wherein the drive means comprises a hollow connecting shaft; a water pump connecting pipe used for being connected with a water pump is arranged in the liquid spraying device;

the water pump connecting pipe is communicated with the hollow connecting shaft to form the liquid flow channel.

The centrifugal spray head of claim 12, wherein the water pump connection tube is a hose or a hard tube.

The centrifugal spray head of claim 12, wherein the drive means further comprises a stator base and a rotor cover;

the stator seat, the hollow connecting shaft and the liquid spraying device are fixedly connected, and the rotor cover is fixedly connected with the spraying disc.

The centrifugal spray head of claim 1,

when the driving device drives the liquid spraying device to discharge the liquid, the valve core can move towards the valve seat.

The showerhead of claim 15,

when the driving device drives the liquid spraying device to discharge the liquid, the control device can control the valve core to move towards the valve seat.

The centrifugal spray head according to claim 1, further comprising an electric tuning plate hermetically disposed in the liquid spraying device and electrically connected to the driving device for adjusting a rotation speed of the driving device.

The centrifugal spray head of claim 17 wherein the drive means is a brushless dc motor and the trimming plate drives the motor by PWM wave modulation.

The centrifugal spray head of claim 14, wherein the material of the stator seat and/or the hollow connecting shaft comprises at least one of: aluminum alloy, stainless steel, carbon fiber.

The spray head of claim 14 wherein the rotor cover is removably attached to the spray disk.

The spray head of claim 20 wherein the rotor cover is coupled to the spray disk in a manner that includes at least one of: clamping, screw connection and key connection.

The centrifugal spray head of claim 14 wherein the rotor cover is coupled to the hollow coupling shaft by a bearing, the rotor cover being rotatable relative to the hollow coupling shaft.

The spray tip of claim 22, wherein the rotor cover is removably coupled to the bearing.

The spray head of claim 22 wherein a seal is provided below the bearing and between the rotor cover and the hollow connecting shaft for preventing backflow of liquid into the bearing.

The spray head of claim 4 wherein the spray disk comprises an upper spray disk and a lower spray disk, the upper spray disk and the lower spray disk forming the spray passages therebetween.

The spray head of claim 25 wherein the lower disk intermediate portion is recessed away from the upper disk to form an accumulation chamber, the accumulation chamber communicating with the spray passages.

A sprinkling system is characterized by comprising a water pump and a centrifugal sprayer communicated with the water pump;

wherein the centrifugal spray head comprises:

the liquid spraying device comprises a liquid inlet, a liquid outlet and a cavity which is connected and communicated between the liquid inlet and the liquid outlet, and the cavity forms a liquid flow channel;

the valve body device is connected to the cavity; the valve body device comprises a valve seat and a valve core, and the valve core is movably arranged on the valve seat and is used for moving relative to the valve seat to adjust the liquid flow of the liquid flow channel;

the control device is electrically connected with the valve body device and is used for controlling the valve core to move relative to the valve seat; and the number of the first and second groups,

the driving device is connected with the liquid spraying device and can drive the liquid spraying device to discharge the liquid;

when the driving device does not drive the liquid spraying device to discharge the liquid any more, the control device controls the valve core to block the liquid flow channel, so that the liquid outlet does not discharge the liquid any more.

The spraying system of claim 27,

when the driving device is powered on, the driving device can drive the liquid spraying device to discharge the liquid;

when the driving device is powered off, the driving device does not drive the liquid spraying device to discharge the liquid.

The spraying system of claim 27,

the liquid spraying device comprises a nozzle body, and the valve body device and the liquid flow channel are arranged on the nozzle body.

The spraying system of claim 29, wherein the liquid spraying apparatus further comprises: the spraying disc is internally provided with a spraying channel communicated with the liquid outlet; the driving device is connected with the spray disk and used for driving the spray disk to rotate so as to discharge the liquid.

The sprinkler system of claim 27, wherein the valve seat has a valve seat passage therein, the valve seat passage being communicable with the fluid flow passage, the valve seat passage being configured to receive the valve element;

the control device is used for controlling the valve core to move relative to the valve seat so as to control the opening degree of the valve body device, thereby regulating the liquid flow rate from the liquid flow channel; wherein the movement direction of the valve core is crossed with the extension direction of the liquid flow channel.

The spraying system of claim 31 wherein the direction of movement of said valve element is perpendicular to the direction of extension of said fluid flow passageway.

The spraying system of claim 27 wherein said fluid flow passage is at least partially defined by a flexible tube, said valve seat being fixed relative to said flexible tube, said valve element being located outside of said flexible tube and adapted to abut against said flexible tube;

the control device is used for controlling the valve core to move relative to the valve seat so as to press or loosen the flexible pipe, thereby regulating the liquid flow from the liquid flow channel; wherein the movement direction of the valve core is crossed with the axial direction of the hose.

The spraying system of claim 33 wherein the direction of movement of said cartridge is substantially perpendicular to the direction of the axis of said hose.

The spraying system of claim 27, wherein the material of the cartridge is a corrosion resistant magnetic material; or the outer surface of the valve core is wrapped by the corrosion-resistant layer;

and/or the valve seat is made of a corrosion-resistant material; alternatively, the inner surface of the valve seat is coated with a corrosion resistant layer.

The spraying system of claim 27 wherein said valve body means is a solenoid valve comprising said valve seat, said valve cartridge, and a resilient member and an electromagnet, said resilient member being connected between said valve cartridge and said electromagnet, said electromagnet being electrically connected to said control means.

The spraying system of claim 36, wherein said resilient member is a corrosion resistant material; or the outer surface of the elastic piece is wrapped by the corrosion-resistant layer; and/or the presence of a catalyst in the reaction mixture,

the control device adjusts the liquid flow rate of the liquid flow channel by controlling the action frequency of the valve core.

The spraying system of claim 30 wherein said drive means comprises a hollow connecting shaft; a water pump connecting pipe used for being connected with a water pump is arranged in the liquid spraying device;

the water pump connecting pipe is communicated with the hollow connecting shaft to form the liquid flow channel.

The spraying system of claim 38 wherein said water pump connection tube is a hose or a wand.

The spraying system of claim 38 wherein said drive means further comprises a stator base and a rotor cover;

the stator seat, the hollow connecting shaft and the liquid spraying device are fixedly connected, and the rotor cover is fixedly connected with the spraying disc.

The spraying system of claim 27, wherein the valve element is movable toward the valve seat when the drive mechanism drives the spray mechanism to discharge the liquid.

The spraying system of claim 41, wherein the control device is configured to control the valve element to move toward the valve seat when the drive device drives the spray device to discharge the liquid.

The spraying system of claim 27, further comprising an electrical tuning plate sealingly disposed in said liquid spraying apparatus and electrically connected to said drive apparatus for adjusting the rotational speed of said drive apparatus.

The spraying system of claim 43 wherein said drive means is a brushless DC motor and said trimming panel drives said motor by PWM wave modulation.

The spraying system of claim 40, wherein the material of the stator holder and/or the hollow connecting shaft comprises at least one of: aluminum alloy, stainless steel, carbon fiber.

The spraying system of claim 40 wherein said rotor cover is removably attached to said spray disk.

The spraying system of claim 46 wherein said rotor cover is coupled to said spray disk in a manner that includes at least one of: clamping, screw connection and key connection.

The spraying system of claim 40 wherein said rotor cover is coupled to said hollow coupling shaft by a bearing, said rotor cover being rotatable relative to said hollow coupling shaft.

The spraying system of claim 48 wherein said rotor cover is removably coupled to said bearing.

The spraying system of claim 48 wherein a seal is provided below said bearing and between said rotor cover and said hollow connecting shaft, said seal for preventing backflow of liquid into said bearing.

The spray system of claim 30, wherein said spray plate comprises an upper spray plate and a lower spray plate, said upper spray plate and said lower spray plate defining said spray channel therebetween.

The spray system of claim 51 wherein said lower spray tray is recessed at a middle portion thereof away from said upper spray tray to form a drip chamber, said drip chamber communicating with said spray channel.

The sprinkler system of claim 27, wherein a plurality of the spinner heads are in communication with the same water pump.

A movable platform is characterized by comprising a machine frame and at least one spraying system arranged on the machine frame;

wherein the spraying system comprises: a water pump, a water tank, and a centrifugal nozzle; the water pump is respectively communicated with the water tank and the centrifugal spray head;

the centrifugal spray head comprises:

the liquid spraying device comprises a liquid inlet, a liquid outlet and a cavity communicated between the liquid inlet and the liquid outlet, and the cavity forms a liquid flow channel;

the valve body device is connected to the cavity; the valve body device comprises a valve seat and a valve core, and the valve core is movably arranged on the valve seat and is used for moving relative to the valve seat to adjust the liquid flow of the liquid flow channel;

the control device is electrically connected with the valve body device and is used for controlling the valve core to move relative to the valve seat; and the number of the first and second groups,

the driving device is connected with the liquid spraying device and can drive the liquid spraying device to discharge the liquid;

when the driving device does not drive the liquid spraying device to discharge the liquid any more, the control device controls the valve core to block the liquid flow channel, so that the liquid outlet does not discharge the liquid any more.

The movable platform of claim 54,

when the driving device is powered on, the driving device can drive the liquid spraying device to discharge the liquid;

when the driving device is powered off, the driving device does not drive the liquid spraying device to discharge the liquid.

The movable platform of claim 54, wherein the liquid ejection device comprises a head body, and the valve body and the liquid flow channel are disposed in the head body.

The agricultural plant protection drone of claim 56, wherein the liquid spraying device further comprises:

the spraying disc is internally provided with a spraying channel communicated with the liquid outlet;

the driving device is connected with the spray disk and used for driving the spray disk to rotate.

The movable platform of claim 54 wherein the valve seat has a valve seat passage therein, the valve seat passage being communicable with the fluid flow passage, the valve seat passage being configured to receive the spool;

the control device is used for controlling the valve core to move relative to the valve seat so as to control the opening degree of the valve body device, thereby regulating the liquid flow rate from the liquid flow channel; wherein the movement direction of the valve core is crossed with the extension direction of the liquid flow channel.

The movable platform of claim 58 wherein the direction of motion of the spool is substantially perpendicular to the direction of extension of the flow channel.

The movable platform of claim 54 wherein the fluid flow channel is at least partially formed by a flexible tube, the valve seat being fixed relative to the flexible tube, the valve element being located outside the flexible tube and adapted to abut against the flexible tube;

the control device is used for controlling the valve core to move relative to the valve seat so as to press or loosen the flexible pipe, thereby regulating the liquid flow from the liquid flow channel; wherein the movement direction of the valve core is crossed with the axial direction of the hose.

The movable platform of claim 60 wherein the spool moves in a direction substantially perpendicular to the axis of the hose.

The movable platform of claim 54, wherein the material of the spool is a corrosion resistant magnetic material; or the outer surface of the valve core is wrapped by the corrosion-resistant layer;

and/or the valve seat is made of a corrosion-resistant material; alternatively, the inner surface of the valve seat is coated with a corrosion resistant layer.

The movable platform of claim 54, wherein the valve body device is a solenoid valve comprising the valve seat, the valve core, and an elastic member and an electromagnet, the elastic member is connected between the valve core and the electromagnet, and the electromagnet is electrically connected to the control device.

The movable platform of claim 63, wherein the resilient member is made of a corrosion resistant material; or the outer surface of the elastic piece is wrapped by the corrosion-resistant layer;

and/or the control device regulates the liquid flow of the liquid flow channel by controlling the action frequency of the valve core.

The movable platform of claim 57, wherein the drive means comprises a hollow connecting shaft; a water pump connecting pipe used for being connected with a water pump is arranged in the liquid spraying device;

the water pump connecting pipe is communicated with the hollow connecting shaft to form the liquid flow channel.

The movable platform of claim 65, wherein the water pump connection tube is a hose or a hard tube.

The movable platform of claim 65, wherein the drive further comprises a stator base and a rotor cover;

the stator seat, the hollow connecting shaft and the liquid spraying device are fixedly connected, and the rotor cover is fixedly connected with the spraying disc.

The movable platform of claim 54,

when the driving device drives the liquid spraying device to discharge the liquid, the valve core can move towards the valve seat.

The movable platform of claim 68,

when the driving device drives the liquid spraying device to discharge the liquid, the control device can control the valve core to move towards the valve seat.

The movable platform of claim 67, wherein the rotor cover is removably coupled to the bearing.

The movable platform of claim 65, further comprising an electrical tuning plate hermetically disposed in the liquid spraying device and electrically connected to the driving device for adjusting a rotation speed of the driving device.

The movable platform of claim 71, wherein the driving device is a brushless DC motor, and the electrical tuning board drives the motor by PWM wave modulation.

The movable platform of claim 70, wherein the material of the stator mount and/or the hollow connection shaft comprises at least one of: aluminum alloy, stainless steel, carbon fiber.

The movable platform of claim 70, wherein the rotor cover is removably coupled to the spray disk.

The movable platform of claim 74, wherein the rotor cover is coupled to the spray disk in a manner that includes at least one of: clamping, screw connection and key connection.

The movable platform of claim 70, wherein the rotor cover is coupled to the hollow coupling shaft via a bearing, the rotor cover being rotatable relative to the hollow coupling shaft.

The movable platform of claim 76, wherein a seal is provided below the bearing and between the rotor cover and the hollow connecting shaft, the seal for preventing backflow of liquid into the bearing.

The movable platform of claim 57, wherein the spray trays comprise an upper spray tray and a lower spray tray, the upper and lower spray trays forming the spray channel therebetween.

The movable platform of claim 78, wherein the middle portion of the lower spray tray is recessed away from the upper spray tray to form a drip chamber, the drip chamber being in communication with the spray channel.

The movable platform of claim 54, wherein a plurality of the centrifugal sprayers are in communication with the same water pump.